ASTM D4956 Type 2 Super Engineer Grade Reflective Graphics film is similar to standard Type 1 engineer, but twice as bright at night when reflecting. It performs like standard EG and looks the same with the exception of a faint star watermark that designates it as Super Engineer. SEG is thin, CAD cuttable, made in a single layer, flexible, and mildly conformable. Once applied, it performs just like any other engineer grade film. SEG is available in all standard traffic sign colors as well as striped barricade tapes in white/red and white/orange.
Type 2 is produced by different manufacturers. The spec sheet on this page is from Nikkalite. Others will have similar photo-metrics.
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Steven Cole (Economics, MBA – University of West Florida , Business & Innovation – Stanford University) 25 years of experience in the reflective safety business. Specializing in vehicle accident and rear end collision reduction through increased visibility.